a:3:{s:7:"widgets";a:11:{i:0;a:7:{s:5:"title";s:70:"How to repair led work lights? Analysis of steps to repair LED lights:";s:4:"text";s:875:"First of all, we need to make sure that there is no problem with the circuit where the LED lights in our own home are located. The main problem will be in the switch, which is the focus of our inspection.
<ol>
 	<li>Check the power converter on the back of the LED light (that is, the similar white box in the frame in the picture is the power converter). This is to remove the converter directly, and then power on and use a multimeter to measure the voltage or current. If the power converter is damaged You can buy a replacement directly, which is usually very cheap.</li>
 	<li>If there is no problem with the power converter of the LED lamp, then we can switch the multimeter to the voltage output gear, and then put it on the positive and negative poles of the corresponding LED lamp beads to see if it will light up. If it doesn't light up, just replace it.</li>
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<ol>
 	<li>For LED lamps (including LED bulbs), the ideal radiator surface temperature should not exceed 60°C.</li>
 	<li>However, currently commercially available LED bulbs rarely reach this temperature, mainly because the material and heat dissipation area do not meet the requirements. If the temperature is too high, the life of the LED lamp will decrease.</li>
 	<li>Of course, the service life of the driving power supply will be shortened if it works in an environment with too high temperature. At present, the electrolytic capacitor in the driving power supply generally has a maximum temperature resistance of only 105°C. The ideal ambient temperature of the electrolytic capacitor is normal temperature. Every time the temperature rises by 10 °C , the life of the electrolytic capacitor is cut in half.</li>
</ol>
If the heat dissipation of the LED lamp is not good, the junction temperature of the LED chip will increase rapidly. If the LED bulb is kept at high temperature for a long time, the life of the LED lamp will be shortened. The problem of heat dissipation of lamps and lanterns, the heat dissipation of LED bulbs, can be considered from before and after packaging, that is, the heat dissipation of LED chips and the heat dissipation of LED bulbs.

The heat dissipation of the LED chip is mainly related to the selection process of the substrate and the circuit, and the heat dissipation of the finished LED bulb is actually composed of two parts: heat conduction and heat dissipation. The heat generated by the LED chip comes out of the metal heat sink and first passes through the solder to the aluminum. The PCB of the substrate, then through the thermal paste, and finally to the aluminum heat sink.

Different LED lamps will use different heat-conducting materials according to customer needs and costs. Generally, LED lamp manufacturers mainly have the following types of heat conductors:

Aerodynamics: Using the lamp housing to create convective air, this is the lowest cost way to enhance heat dissipation. Heat pipe: Use heat pipe technology to conduct heat from the LED chip to the thermal fins of the shell, which is generally used in street lamps.

Surface radiation heat dissipation treatment is to apply radiation heat dissipation paint on the surface, and take the heat away from the surface of the lamp housing by radiation to achieve the effect of heat dissipation.";s:6:"filter";b:1;s:6:"visual";b:1;s:22:"so_sidebar_emulator_id";s:14:"text-395810002";s:11:"option_name";s:11:"widget_text";s:11:"panels_info";a:7:{s:5:"class";s:14:"WP_Widget_Text";s:3:"raw";b:0;s:4:"grid";i:0;s:4:"cell";i:0;s:2:"id";i:2;s:9:"widget_id";s:36:"f7690dcb-5439-4909-8e83-be8e77e4e298";s:5:"style";a:2:{s:27:"background_image_attachment";b:0;s:18:"background_display";s:4:"tile";}}}i:3;a:17:{s:5:"image";i:3950;s:14:"image_fallback";s:0:"";s:4:"size";s:4:"full";s:5:"align";s:7:"default";s:11:"title_align";s:7:"default";s:5:"title";s:0:"";s:14:"title_position";s:6:"hidden";s:3:"alt";s:0:"";s:3:"url";s:66:"https://nsslighting.com/product-category/led-working-light-series/";s:12:"_sow_form_id";s:32:"170812902363e1ef237e784333909042";s:19:"_sow_form_timestamp";s:13:"1675751222501";s:11:"panels_info";a:6:{s:5:"class";s:30:"SiteOrigin_Widget_Image_Widget";s:4:"grid";i:0;s:4:"cell";i:0;s:2:"id";i:3;s:9:"widget_id";s:36:"cdb9c0db-d3e0-4b33-adca-3793857b0e38";s:5:"style";a:2:{s:27:"background_image_attachment";b:0;s:18:"background_display";s:4:"tile";}}s:10:"new_window";b:0;s:5:"bound";b:0;s:10:"full_width";b:0;s:22:"so_sidebar_emulator_id";s:19:"sow-image-395810003";s:11:"option_name";s:16:"widget_sow-image";}i:4;a:7:{s:5:"title";s:46:"How to measure the voltage of led work lights?";s:4:"text";s:1549:"Use voltage and ammeters to measure the external control LED lights powered by DC. Use a digital power meter (also known as a digital electrical parameter meter) with measurement functions such as voltage, current, power, power factor, frequency, and input current harmonics to measure LED lights (external control LED street lights generally add a reference external control device) voltage, current, power, power factor, frequency and input current harmonics. the

Since the voltage sampling connected in parallel to the circuit has a certain bypass current, and the current sampling connected in series to the circuit has a certain voltage drop, so the application should be based on the actual size of the voltage and current of the LED lamp under test to determine the selection of the ammeter. Connection method or ammeter external connection method. When the current is large or the leads are long, the four-wire method can be used for voltage sampling.

You can also use a multimeter to measure the voltage of the LED lamp bead, choose a pointer meter with two batteries, X1 gear measurement, there should be light. Use a digital meter, diode file, 200 ohm file to measure, it should be slightly bright. Two-way difference, or two-way short circuit, is damage. Many multimeters cannot test LED lights. The multimeters that can measure LED lights generally use 9V batteries. The pointer multimeter is set to 10K resistance level test, and the digital multimeter is set to diode level test. It is good to see that the light is slightly bright.";s:6:"filter";b:1;s:6:"visual";b:1;s:22:"so_sidebar_emulator_id";s:14:"text-395810004";s:11:"option_name";s:11:"widget_text";s:11:"panels_info";a:7:{s:5:"class";s:14:"WP_Widget_Text";s:3:"raw";b:0;s:4:"grid";i:0;s:4:"cell";i:0;s:2:"id";i:4;s:9:"widget_id";s:36:"fa0bdef3-2a90-445b-8aa8-337c946fbdce";s:5:"style";a:2:{s:27:"background_image_attachment";b:0;s:18:"background_display";s:4:"tile";}}}i:5;a:17:{s:5:"image";i:3946;s:14:"image_fallback";s:0:"";s:4:"size";s:4:"full";s:5:"align";s:7:"default";s:11:"title_align";s:7:"default";s:5:"title";s:0:"";s:14:"title_position";s:6:"hidden";s:3:"alt";s:0:"";s:3:"url";s:66:"https://nsslighting.com/product-category/led-working-light-series/";s:12:"_sow_form_id";s:31:"65096922263e1ef237d98a668033470";s:19:"_sow_form_timestamp";s:13:"1675751236852";s:11:"panels_info";a:6:{s:5:"class";s:30:"SiteOrigin_Widget_Image_Widget";s:4:"grid";i:0;s:4:"cell";i:0;s:2:"id";i:5;s:9:"widget_id";s:36:"c833f610-1ac6-4210-9c3d-d0d01a7f57e2";s:5:"style";a:2:{s:27:"background_image_attachment";b:0;s:18:"background_display";s:4:"tile";}}s:10:"new_window";b:0;s:5:"bound";b:0;s:10:"full_width";b:0;s:22:"so_sidebar_emulator_id";s:19:"sow-image-395810005";s:11:"option_name";s:16:"widget_sow-image";}i:6;a:7:{s:5:"title";s:35:"How many watts is a led work light?";s:4:"text";s:1227:"The power of LED lights is generally between 0.06 and 100 watts, and the specific wattage can be selected according to the purpose, space, and quantity. For home use, usually choose LED lights between 1 and 20 watts to meet the lighting needs; for outdoor use, it is recommended to choose LED lights with higher power, which can achieve better lighting effects.

Usually, the power of LED lights used by everyone is about 5 watts, 10 watts and 15 watts. Now there are indeed many applications of LED lights. When choosing, the most important thing is to choose according to the actual situation at home. If the space at home is relatively large, then everyone can choose a 50-watt energy-saving lamp.

Under normal circumstances, you will choose LED lights of about 15 watts to 20 watts, because the irradiation range of lights of this specification is relatively wide.

In fact, we can choose the wattage of the LED lamp according to the area of the room. If the area is large, we can choose a larger specification, so as to ensure the effect of irradiation.

If the area inside the room is relatively small, you can choose a three-watt LED lamp, the light will be sufficient, and the light of the LED lamp is still very soft.";s:6:"filter";b:1;s:6:"visual";b:1;s:22:"so_sidebar_emulator_id";s:14:"text-395810006";s:11:"option_name";s:11:"widget_text";s:11:"panels_info";a:7:{s:5:"class";s:14:"WP_Widget_Text";s:3:"raw";b:0;s:4:"grid";i:0;s:4:"cell";i:0;s:2:"id";i:6;s:9:"widget_id";s:36:"652dc54f-8966-4a49-b8ef-1dbbb9d07e30";s:5:"style";a:2:{s:27:"background_image_attachment";b:0;s:18:"background_display";s:4:"tile";}}}i:7;a:17:{s:5:"image";i:3946;s:14:"image_fallback";s:0:"";s:4:"size";s:4:"full";s:5:"align";s:7:"default";s:11:"title_align";s:7:"default";s:5:"title";s:0:"";s:14:"title_position";s:6:"hidden";s:3:"alt";s:0:"";s:3:"url";s:66:"https://nsslighting.com/product-category/led-working-light-series/";s:12:"_sow_form_id";s:32:"184993476963e1ef22c6993715453217";s:19:"_sow_form_timestamp";s:13:"1675751249748";s:11:"panels_info";a:6:{s:5:"class";s:30:"SiteOrigin_Widget_Image_Widget";s:4:"grid";i:0;s:4:"cell";i:0;s:2:"id";i:7;s:9:"widget_id";s:36:"3abbd81c-add7-48cd-8ec7-38b5f2260ce0";s:5:"style";a:2:{s:27:"background_image_attachment";b:0;s:18:"background_display";s:4:"tile";}}s:10:"new_window";b:0;s:5:"bound";b:0;s:10:"full_width";b:0;s:22:"so_sidebar_emulator_id";s:19:"sow-image-395810007";s:11:"option_name";s:16:"widget_sow-image";}i:8;a:7:{s:5:"title";s:41:"led factory workshop lighting work lights";s:4:"text";s:1223:"The light reflectors of high bay lights in workshop lighting must be able to produce lights of different brightness and width. Because the requirements for lighting effects are different in different work processes, only when the work lights have more changes and adjustments can they better meet the needs of use.

Industrial workshops with large machinery have relatively high ceilings and large spaces, so the required lamp power is relatively high. LED lighting has the characteristics of large luminous flux and high efficiency. Considering the height of the ceiling and the design illuminance, it is very suitable to choose LED floodlights or high bay lights with high power, wide irradiation angle, uniform illumination, no glare, and no flicker.

Secondly, what we need to know is that if the LED work light wants brighter and wider lighting effect, the outer cover must be coated with white, and the reflector is made of special glass material, which will make the effect better. In addition, in the harsh lighting environment of factories and workshops, industrial and mining lamps are more particular about the structure, shell, reflector design and material selection, so we must pay attention when making them.";s:6:"filter";b:1;s:6:"visual";b:1;s:22:"so_sidebar_emulator_id";s:14:"text-395810008";s:11:"option_name";s:11:"widget_text";s:11:"panels_info";a:7:{s:5:"class";s:14:"WP_Widget_Text";s:3:"raw";b:0;s:4:"grid";i:0;s:4:"cell";i:0;s:2:"id";i:8;s:9:"widget_id";s:36:"1953e88f-106a-4f75-acb2-21a99bd4a951";s:5:"style";a:2:{s:27:"background_image_attachment";b:0;s:18:"background_display";s:4:"tile";}}}i:9;a:17:{s:5:"image";i:3948;s:14:"image_fallback";s:0:"";s:4:"size";s:4:"full";s:5:"align";s:7:"default";s:11:"title_align";s:7:"default";s:5:"title";s:0:"";s:14:"title_position";s:6:"hidden";s:3:"alt";s:0:"";s:3:"url";s:66:"https://nsslighting.com/product-category/led-working-light-series/";s:12:"_sow_form_id";s:32:"127934333863e1ef20af4a4414871878";s:19:"_sow_form_timestamp";s:13:"1675751266917";s:11:"panels_info";a:6:{s:5:"class";s:30:"SiteOrigin_Widget_Image_Widget";s:4:"grid";i:0;s:4:"cell";i:0;s:2:"id";i:9;s:9:"widget_id";s:36:"af80cdc1-b216-49f7-938b-54e1068a4c8c";s:5:"style";a:2:{s:27:"background_image_attachment";b:0;s:18:"background_display";s:4:"tile";}}s:10:"new_window";b:0;s:5:"bound";b:0;s:10:"full_width";b:0;s:22:"so_sidebar_emulator_id";s:19:"sow-image-395810009";s:11:"option_name";s:16:"widget_sow-image";}i:10;a:7:{s:5:"title";s:0:"";s:4:"text";s:0:"";s:6:"filter";b:1;s:6:"visual";b:1;s:22:"so_sidebar_emulator_id";s:14:"text-395810010";s:11:"option_name";s:11:"widget_text";s:11:"panels_info";a:7:{s:5:"class";s:14:"WP_Widget_Text";s:3:"raw";b:0;s:4:"grid";i:0;s:4:"cell";i:0;s:2:"id";i:10;s:9:"widget_id";s:36:"66e0d92d-4f75-4399-b0cd-d30024a0e40f";s:5:"style";a:2:{s:27:"background_image_attachment";b:0;s:18:"background_display";s:4:"tile";}}}}s:5:"grids";a:1:{i:0;a:2:{s:5:"cells";i:1;s:5:"style";a:0:{}}}s:10:"grid_cells";a:1:{i:0;a:4:{s:4:"grid";i:0;s:5:"index";i:0;s:6:"weight";i:1;s:5:"style";a:0:{}}}}